CN110466483B - Rail braking heat dissipation device using both ejection and suction and coanda effect principles - Google Patents
Rail braking heat dissipation device using both ejection and suction and coanda effect principles Download PDFInfo
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- CN110466483B CN110466483B CN201910817917.3A CN201910817917A CN110466483B CN 110466483 B CN110466483 B CN 110466483B CN 201910817917 A CN201910817917 A CN 201910817917A CN 110466483 B CN110466483 B CN 110466483B
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- air inlet
- ejection
- wheel
- heat dissipation
- fixing
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- 230000000694 effects Effects 0.000 title claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 title claims description 15
- 210000000078 claw Anatomy 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 14
- 241001330002 Bambuseae Species 0.000 abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 14
- 239000011425 bamboo Substances 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 9
- 241000883990 Flabellum Species 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/16—Positive railway stops
- B61K7/20—Positive wheel stops
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model provides a penetrate and inhale track braking heat abstractor that uses with kang da effect principle, includes ground, the inside fixed mounting of ground groove has the pivot, and the fixed surface of pivot installs the flabellum, the middle part fixed mounting on ground has the fixed plate, and the both ends fixed mounting of fixed plate has the arc board, the upper surface on ground and the both sides fixed mounting that is located the fixed plate have the fixed block, and one side fixed mounting that the fixed block is relative has the hydraulic stem. Through the cooperation use of an air inlet section of thick bamboo and shooting and inhaling a section of thick bamboo, can be effectively when the brake claw helps the wheel to stop slowing down, an air inlet section of thick bamboo can drive and shoot and inhale a section of thick bamboo and all blow the air to wheel and brake claw friction department and cool down, when having guaranteed to rub between brake claw and the wheel, the temperature can not be too high, has reduced the possibility that produces deformation because of the temperature risees between brake claw and the wheel, simultaneously, has also reduced because of the produced expense of maintenance, does not need frequent maintenance.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a rail braking heat dissipation device combining the ejection and absorption and the coanda effect principle.
Background
Along with the development of the times, the cars on the ground are too saturated, the cars are easy to block or dangerous accidents occur, the speed cannot be increased, rail transit has become the preferred travel mode of people for traveling at present, wherein high-speed rails shuttle to various cities in the whole country, powerful convenience and powerful braking systems are provided for daily travel of people, powerful balance and stability are provided when the high-speed rails arrive at a station for parking, inertia is not similar to that of the cars, and the possibility of falling over by tilting forward suddenly is provided.
However, although the high-speed rail has a strong braking system and can be stably stopped, the speed of the motor car is gradually reduced due to the gradual friction clamping process between the braking claw and the wheel, the friction between the braking claw and the wheel for a long time generates high temperature due to heat generation caused by friction in the gradual friction clamping process between the braking claw and the wheel, the generated high temperature can cause certain deformation to the braking claw and the wheel, when the wheel deforms, the balance of the vehicle in running can be affected, regular maintenance of maintenance personnel is needed, the maintenance cost of the vehicle is increased, and the braking claw cannot effectively help the high-speed rail to reduce the speed.
Disclosure of Invention
Technical scheme (I)
In order to realize the purpose of heat dissipation during subway braking, the invention provides the following technical scheme: the utility model provides a penetrate and inhale track braking heat abstractor who uses with kang da effect principle, includes ground, the inside fixed mounting of ground groove has the pivot, and the outer fixed surface of pivot installs the flabellum, the middle part fixed mounting on ground has the fixed plate, and the both ends fixed mounting of fixed plate has the arc board, the upper surface on ground and the both sides fixed mounting that is located the fixed plate have the fixed block, and one side fixed mounting that the fixed block is relative has a hydraulic stem, and the hydraulic stem keeps away from the one end fixed mounting of fixed block has the locking pawl, and the overlap joint of the claw end department of locking pawl has the wheel.
The automobile wheel is characterized in that a fixed rod is movably mounted at the rotating center of the wheel, an automobile body is fixedly mounted at the upper end of the fixed rod, two symmetrical fixed columns are fixedly mounted at two ends of the lower surface of the automobile body, an air inlet cylinder is fixedly mounted at the lower end of each fixed column, and an ejection and suction cylinder is fixedly mounted on the front surface of the air inlet cylinder.
Furthermore, one end, far away from the wheel, of the air inlet cylinder is bent backwards, the bending direction of the air inlet cylinder is consistent with the running direction of the train, and air which is enough in wind power and can enter the air inlet cylinder is mainly made to enter the air inlet cylinder.
Furthermore, a horizontal included angle of the ejection and suction cylinder on the air inlet cylinder is thirty-five degrees to forty-five degrees, when the horizontal included angle is smaller than thirty-five degrees, the air entering the air inlet cylinder from the ejection and suction cylinder may not be the largest, which affects the amount of air inlet of the ejection and suction cylinder, and when the horizontal included angle is larger than forty-five degrees, the air entering the air inlet cylinder from the ejection and suction cylinder and the air entering the air inlet cylinder by the air inlet cylinder may generate air vortex between the ejection and suction cylinder and the air inlet cylinder, which affects the cooling condition of the air inlet cylinder when the wheels are braked.
Furthermore, the middle part of the fixing plate extends to three fifths of the two ends and is provided with vent holes, and the vent holes are mainly used for blowing the wind generated when the fan blades rotate to the friction part of the wheel.
Furthermore, the bending direction of the arc plate is from top to bottom, and the curvature of the arc plate is between zero point three and zero point five, so that the coanda effect shows that when the curvature of the arc plate is smaller than zero point three, the radian of the arc plate is smaller, the flow direction of the air flow cannot be effectively changed, and when the curvature of the arc plate is larger than zero point five, the radian of the arc plate is increased, and the air flow only flows along the surface of an object with the curvature not particularly large, so that the movement of changing the air flow direction is avoided.
Furthermore, the distance between the fan blade and the fixing plate is one centimeter to three centimeters, because the distance is too small, the fan blade may hit the fixing plate, and the distance is too large, the airflow guided by the fixing plate may not directly impact the fan blade.
(II) advantageous effects
Compared with the prior art, the invention provides a rail braking heat dissipation device combining the ejection and absorption and the coanda effect principle, which has the following beneficial effects:
1. this penetrate and inhale track braking heat abstractor that uses with kang da effect principle is used through the cooperation of an air inlet section of thick bamboo and an injection section of thick bamboo, can be effectively when the brake claw helps the wheel to stop slowing down, an air inlet section of thick bamboo can drive and penetrate and inhale a section of thick bamboo and all blow the wheel with the air and the brake claw friction department cools down, when having guaranteed the friction between brake claw and the wheel, the temperature can not be too high, reduced the possibility that produces deformation because of the temperature risees between brake claw and the wheel, simultaneously, also reduced because of the produced expense of maintenance, do not need frequent maintenance.
2. This penetrate and inhale track braking heat abstractor with conda effect principle used simultaneously, through the cooperation of pivot, flabellum, fixed plate and arc board use, can effectually will carry out the heat dissipation once more by the heat that an air inlet section of thick bamboo and a penetrating suction section of thick bamboo blown away, guaranteed that the heat can not gather between wheel and vehicle bottom portion, the heat can not be for a long time not the condition of loosing, simultaneously, still can carry out the secondary heat dissipation for wheel and pawl, increased radiating efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the related structures of the rotating shaft, the fan blades, the fixing plate and the arc plate;
FIG. 3 is a schematic view showing the flow direction of the air inlet barrel and the injection and suction barrel according to the present invention.
In the figure: the device comprises a ground 1, a rotating shaft 2, fan blades 3, a fixing plate 4, an arc plate 5, a fixing block 6, a hydraulic rod 7, a brake pawl 8, wheels 9, a fixing rod 10, a vehicle body 11, a fixing column 12, an air inlet barrel 13 and an ejection and suction barrel 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a rail braking heat dissipation device using both the principles of the ejection, suction and coanda effect comprises a ground 1, a rotating shaft 2 is fixedly installed inside a groove of the ground 1, a fan blade 3 is fixedly installed on the outer surface of the rotating shaft 2, the distance between the fan blade 3 and a fixing plate 4 is one centimeter to three centimeters, because the distance is too small, the fan blade 3 may hit on the fixing plate 4, the distance is too large, the air flow guided by the fixing plate 4 may not directly impact on the fan blade 3, the fixing plate 4 is fixedly installed in the middle of the ground 1, three fifths of the middle part of the fixing plate 4 extending to two ends are all provided with vent holes, mainly for blowing the wind generated when the fan blade 3 rotates to the wheel friction position, arc plates 5 are fixedly installed at two ends of the fixing plate 4, the bending direction of the arc plates 5 is bent from top to bottom, and the curvature of the arc plates 5 is between three and five zero, known from the coanda effect, when its camber is less than zero three, the radian of arc 5 is the less, the flow direction of air current can not effectual change, when its camber is greater than zero five, the radian grow of arc 5, and the air current only can flow along the not especially big object surface of camber, the motion that can not change the air current direction of same play, fixed block 6 is installed to the upper surface of ground 1 and both sides that are located fixed plate 4 fixed mounting, fixed block 6 opposite one side fixed mounting has hydraulic stem 7, hydraulic stem 7 is kept away from the one end fixed mounting of fixed block 6 and is had the locking pawl 8, the claw end department overlap joint of locking pawl 8 has wheel 9.
Through the cooperation of pivot 2, flabellum 3, fixed plate 4 and arc board 5 use, can effectually will be carried out the heat that blows away by air inlet cylinder 13 and ejection and suction cylinder 14 and dispel the heat once more, guaranteed that the heat can not gather between wheel 9 and vehicle bottom portion, the heat can not the condition of loosing for a long time, simultaneously, still can carry out the secondary heat dissipation for wheel 9 and dog 8, increased radiating efficiency.
A fixed rod 10 is movably installed at the rotation center of the wheel 9, a vehicle body 11 is fixedly installed at the upper end of the fixed rod 10, two symmetrical fixed columns 12 are fixedly installed at two ends of the lower surface of the vehicle body 11, an air inlet barrel 13 is fixedly installed at the lower end of the fixed column 12, one end, far away from the wheel 9, of the air inlet barrel 13 is bent backwards, the bending direction of the air inlet barrel 13 is consistent with the running direction of a train, enough wind can enter the air inlet barrel 13, an ejection and suction barrel 14 is fixedly installed on the front surface of the air inlet barrel 13, the horizontal included angle of the ejection and suction barrel 14 on the air inlet barrel 13 is thirty-five degrees to forty-five degrees, when the horizontal included angle is less than thirty-five degrees, the wind entering the air inlet barrel 13 from the ejection and suction barrel 14 is probably not the largest, the amount of the wind entering the ejection and suction barrel 14 is influenced, when the horizontal included angle is more than forty-five degrees, the wind entering the air inlet barrel 14 into the air inlet barrel, the cooling condition of the air inlet cylinder 13 during braking of the wheel 9 is influenced.
Through the cooperation of air inlet section of thick bamboo 13 and shooting and sucking section of thick bamboo 14 and using, can be effectively when the braking claw 8 helps wheel 9 to stop slowing down, air inlet section of thick bamboo 13 can drive shooting and sucking section of thick bamboo 14 all blows the air to wheel 9 and the department of braking claw 8 friction and cools down, when having guaranteed the friction between braking claw 8 and the wheel 9, the temperature can not be too high, reduced the possibility that produces the deformation because of the temperature risees between braking claw 8 and the wheel 9, and simultaneously, also reduced because of the produced expense of maintenance, do not need frequent maintenance.
When the device is used, when a high-speed rail is about to arrive at a station, the hydraulic rod 7 is started to drive the braking claws 8 to slowly clamp the wheels 9, so that the vehicle is decelerated, meanwhile, corresponding high-speed airflow can be generated in the process of high-speed running of the high-speed rail moving backward, the airflow can enter the air inlet cylinder 13, when the airflow enters the air inlet cylinder 13, as shown in fig. 3, according to the principle of ejection and suction, the flowing air can drive the air in the ejection and suction cylinder 14 to be sucked into the air inlet cylinder 13, finally, the airflow is uniformly discharged from the lower end of the air inlet cylinder 13, the friction part between the braking claws 8 and the wheels 9 is blown away, and the heat generated by the friction between the braking claws 8 and the wheels 9 is blown away, meanwhile, when the air inlet cylinder 13 drives the ejection and suction cylinder 14 to dissipate the heat at the wheels 9, the wind power can flow along the arc plates 5 by the coanda effect and finally blown onto the fan blades 3, the fan blades 3 are blown to rotate, and then secondary cooling is carried out on the wheels 9.
Wherein, the injection and suction principle means that: the air sprayed at high speed is sprayed outwards through a T-shaped spraying and sucking structure, the air or liquid in the T-shaped suction pipe is taken out through the air sprayed at high speed through a coarse-to-fine jet flow channel, and the spraying and sucking principle is that water sprayed at high speed is sprayed and sucked through the T-shaped spraying and sucking structure.
The Kangda effect means: when the fluid and the surface of the object flowing through the fluid have surface friction (also called fluid viscosity), the fluid flows along the surface of the object as long as the curvature is not large, and the fluid applies a deflection force to the fluid according to Newton's third law, so that the fluid must apply a reverse deflection force to the object.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rail braking heat dissipation device using both the ejection and absorption and the coanda effect principle is installed on a ground (1) with a groove, and is characterized in that: the brake device comprises a rotating shaft (2) arranged in a groove, fan blades (3) are fixedly arranged on the outer surface of the rotating shaft (2), a fixing plate (4) is arranged on the upper portion of the groove, arc plates (5) are fixedly arranged at two ends of the fixing plate (4), fixing blocks (6) are fixedly arranged at two sides of the fixing plate (4), a hydraulic rod (7) is fixedly arranged at one side, opposite to the fixing blocks (6), of the hydraulic rod (7), a brake claw (8) is fixedly arranged at one end, far away from the fixing blocks (6), of the hydraulic rod (7), and wheels (9) are lapped at the claw end of;
the automobile wheel fixing device is characterized in that a fixing rod (10) is movably mounted at the rotating center of the wheel (9), an automobile body (11) is fixedly mounted at the upper end of the fixing rod (10), two symmetrical fixing columns (12) are fixedly mounted at two ends of the lower surface of the automobile body (11), an air inlet cylinder (13) is fixedly mounted at the lower end of each fixing column (12), and an injection and suction cylinder (14) is fixedly mounted on the front surface of the air inlet cylinder (13).
2. The track brake heat dissipation device using both the ejection and absorption and the coanda effect principle as claimed in claim 1, wherein: one end, far away from the wheels (9), of the air inlet barrel (13) is bent backwards, and the bending direction of the air inlet barrel is consistent with the running direction of a train.
3. The track brake heat dissipation device using both the ejection and absorption and the coanda effect principle as claimed in claim 1, wherein: the horizontal included angle of the jetting and sucking cylinder (14) on the air inlet cylinder (13) is thirty-five degrees to forty-five degrees.
4. The track brake heat dissipation device using both the ejection and absorption and the coanda effect principle as claimed in claim 1, wherein: and ventilation holes are formed in three fifths of the middle of the fixing plate (4) extending to the two ends.
5. The track brake heat dissipation device using both the ejection and absorption and the coanda effect principle as claimed in claim 1, wherein: the bending direction of the arc plate (5) is from top to bottom, and the curvature of the arc plate (5) is between three zero points and five zero points.
6. The track brake heat dissipation device using both the ejection and absorption and the coanda effect principle as claimed in claim 1, wherein: the distance between the fan blades (3) and the fixing plate (4) is one centimeter to three centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817917.3A CN110466483B (en) | 2019-08-30 | 2019-08-30 | Rail braking heat dissipation device using both ejection and suction and coanda effect principles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817917.3A CN110466483B (en) | 2019-08-30 | 2019-08-30 | Rail braking heat dissipation device using both ejection and suction and coanda effect principles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110466483A CN110466483A (en) | 2019-11-19 |
| CN110466483B true CN110466483B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910817917.3A Active CN110466483B (en) | 2019-08-30 | 2019-08-30 | Rail braking heat dissipation device using both ejection and suction and coanda effect principles |
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| Country | Link |
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| CN (1) | CN110466483B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10164718B4 (en) * | 2001-02-12 | 2004-03-18 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Method for reducing the operating temperature of electro-mechanical brake application devices of a vehicle brake |
| CN202294740U (en) * | 2011-11-04 | 2012-07-04 | 厦门烟草工业有限责任公司 | Cooling system of laser guide transport vehicle |
| CN204210487U (en) * | 2014-11-21 | 2015-03-18 | 马鞍山市华宇环保设备制造有限公司 | A kind of bi-directional braking anti-running system in railway line |
| CN104709071A (en) * | 2013-12-12 | 2015-06-17 | 现代自动车株式会社 | Cooling module for vehicle |
| CN105818793A (en) * | 2016-04-27 | 2016-08-03 | 邹燕燕 | Brake system for automobile |
| CN107206868A (en) * | 2015-01-12 | 2017-09-26 | 标致·雪铁龙汽车公司 | Fluid disperser for the part that there is the main portion of diverging and act on fluid of pipe end |
| CN206885065U (en) * | 2017-05-12 | 2018-01-16 | 河南工业和信息化职业学院 | A kind of mine-used man-vehicle for installing complemental brake system |
| CN108382165A (en) * | 2017-01-26 | 2018-08-10 | 福特全球技术公司 | The integrated system that vehicle assembly is heated using exhaust heat recovery system |
-
2019
- 2019-08-30 CN CN201910817917.3A patent/CN110466483B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10164718B4 (en) * | 2001-02-12 | 2004-03-18 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Method for reducing the operating temperature of electro-mechanical brake application devices of a vehicle brake |
| CN202294740U (en) * | 2011-11-04 | 2012-07-04 | 厦门烟草工业有限责任公司 | Cooling system of laser guide transport vehicle |
| CN104709071A (en) * | 2013-12-12 | 2015-06-17 | 现代自动车株式会社 | Cooling module for vehicle |
| CN204210487U (en) * | 2014-11-21 | 2015-03-18 | 马鞍山市华宇环保设备制造有限公司 | A kind of bi-directional braking anti-running system in railway line |
| CN107206868A (en) * | 2015-01-12 | 2017-09-26 | 标致·雪铁龙汽车公司 | Fluid disperser for the part that there is the main portion of diverging and act on fluid of pipe end |
| CN105818793A (en) * | 2016-04-27 | 2016-08-03 | 邹燕燕 | Brake system for automobile |
| CN108382165A (en) * | 2017-01-26 | 2018-08-10 | 福特全球技术公司 | The integrated system that vehicle assembly is heated using exhaust heat recovery system |
| CN206885065U (en) * | 2017-05-12 | 2018-01-16 | 河南工业和信息化职业学院 | A kind of mine-used man-vehicle for installing complemental brake system |
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| CN110466483A (en) | 2019-11-19 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200723 Address after: 1503, block a, navigation Plaza, intersection of hanghai road and Lianyun Road, Erqi District, Zhengzhou City, Henan Province Applicant after: Asia space train (Henan) Rail Transit Co.,Ltd. Address before: 528000 Zumiao Street, Chancheng District, Foshan City, Guangdong Province Applicant before: Guan Hefang |
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| CP03 | Change of name, title or address |
Address after: Room 102, Building 1, No. 5 Guanghua Road, Zhangjiawan Town, Tongzhou District, Beijing 101100 Patentee after: Asia Space Train (Beijing) Rail Transit Co.,Ltd. Country or region after: China Address before: Room 1503, block a, navigation square at the intersection of Haihang road and Lianyun Road, Erqi District, Zhengzhou City, Henan Province Patentee before: Asia space train (Henan) Rail Transit Co.,Ltd. Country or region before: China |
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